Heartsease, Llanddewi Ystradenni

Heartsease is a small settlement or hamlet in the parish and community of Llanddewi Ystradenni in Powys, Wales. It should not be confused with Heartsease near Knighton.

It lies in the historic county of Radnorshire and was formerly part of the cantref of Maelienydd.

Heartsease has a chapel with a cemetery belonging to the Presbyterian Church of Wales.